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Re: [lwip-users] help with mDNS sending a DNS_RRTYPE_SRV query

From: Erik Ekman
Subject: Re: [lwip-users] help with mDNS sending a DNS_RRTYPE_SRV query
Date: Mon, 9 Apr 2018 17:51:25 +0200

Can you record it with wireshark and send a pcap file?


On 9 April 2018 at 10:20, antonio <address@hidden> wrote:
HI Simon,

Let me see if I can be clear.

I have an application using loopback interface. The goal is to test mDNS
functions and observe queries and responses.,

a) My application first tries a DNS_RRTYPE_A query, and I get a response.
here there is no problem.

b) The problem happens whenever I send a DNS_RRTYPE_SRV query. Here, I NEVER
get an answer, because, the receiver is unable to compose and send back an

Debugging the code, I realize that the function mdns_add_srv_answer calls
mdns_add_answer and later function never returns :( .

I hope my explanation clarifies you.

Thanks in advance.

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